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Reliable user authentication is becoming an increasingly important task in the Web-enabled world. The consequences of an insecure authentication system in a corporate or enterprise environment may include loss of confidential information, denial of service, and compromised data integrity. The prevailing techniques of user authentication, which involve the use of either passwords and user IDs (identifiers), or identification cards and PINs (personal identification numbers), suffer from several limitations. Once an intruder acquires the user ID and the password, the intruder has total access to the user’s resources.
Fortunately, automated biometrics in general, and Fingerprint Technology in particular, can provide a much more accurate and reliable user authentication method. Biometrics is a rapidly advancing field that is concerned with identifying a person based on his or her physiological or behavioral characteristics. Examples of automated biometrics include fingerprint, face, iris, and speech recognition. Because a biometric property is an intrinsic property of an individual, it is difficult to surreptitiously duplicate and nearly impossible to share. The greatest strength of biometrics, the fact that the biometrics does not change over time, is at the same time its greatest liability. Once a set of biometric data has been compromised, it is compromised forever using Finger Scan Technology.